<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva, formerly WebFilings-->
<!-- -->
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <roleRef roleURI="http://www.boozallen.com/role/AccountsPayableAndOtherAccruedExpenses" xlink:href="bah-20141231.xsd#AccountsPayableAndOtherAccruedExpenses" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/AccountsPayableAndOtherAccruedExpensesDetails" xlink:href="bah-20141231.xsd#AccountsPayableAndOtherAccruedExpensesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/AccountsPayableAndOtherAccruedExpensesTables" xlink:href="bah-20141231.xsd#AccountsPayableAndOtherAccruedExpensesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/AccountsReceivableNet" xlink:href="bah-20141231.xsd#AccountsReceivableNet" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/AccountsReceivableNetAccountReceivableNetTables" xlink:href="bah-20141231.xsd#AccountsReceivableNetAccountReceivableNetTables" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/AccountsReceivableNetAcountsReceivableNetDetails" xlink:href="bah-20141231.xsd#AccountsReceivableNetAcountsReceivableNetDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/AccruedCompensationAndBenefits" xlink:href="bah-20141231.xsd#AccruedCompensationAndBenefits" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/AccruedCompensationAndBenefitsDetails" xlink:href="bah-20141231.xsd#AccruedCompensationAndBenefitsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/AccruedCompensationAndBenefitsTables" xlink:href="bah-20141231.xsd#AccruedCompensationAndBenefitsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/AccumulatedOtherComprehensiveLoss" xlink:href="bah-20141231.xsd#AccumulatedOtherComprehensiveLoss" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/AccumulatedOtherComprehensiveLossDetails" xlink:href="bah-20141231.xsd#AccumulatedOtherComprehensiveLossDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/AccumulatedOtherComprehensiveLossReclassificationsOutOfAccumulatedOtherComprehensiveLossToNetIncomeDetails" xlink:href="bah-20141231.xsd#AccumulatedOtherComprehensiveLossReclassificationsOutOfAccumulatedOtherComprehensiveLossToNetIncomeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/AccumulatedOtherComprehensiveLossTables" xlink:href="bah-20141231.xsd#AccumulatedOtherComprehensiveLossTables" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/BasisOfPresentation" xlink:href="bah-20141231.xsd#BasisOfPresentation" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/BusinessOverview" xlink:href="bah-20141231.xsd#BusinessOverview" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/BusinessOverviewBusinessOverviewDetails" xlink:href="bah-20141231.xsd#BusinessOverviewBusinessOverviewDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/CommitmentsAndContingencies" xlink:href="bah-20141231.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/CommitmentsAndContingenciesDetails" xlink:href="bah-20141231.xsd#CommitmentsAndContingenciesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/CommitmentsAndContingenciesLitigationDetails" xlink:href="bah-20141231.xsd#CommitmentsAndContingenciesLitigationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/CondensedConsolidatedBalanceSheets" xlink:href="bah-20141231.xsd#CondensedConsolidatedBalanceSheets" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/CondensedConsolidatedBalanceSheetsParenthetical" xlink:href="bah-20141231.xsd#CondensedConsolidatedBalanceSheetsParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:href="bah-20141231.xsd#CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited" xlink:href="bah-20141231.xsd#CondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/CondensedConsolidatedStatementsOfOperationsUnaudited" xlink:href="bah-20141231.xsd#CondensedConsolidatedStatementsOfOperationsUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/Debt" xlink:href="bah-20141231.xsd#Debt" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/DebtDetails" xlink:href="bah-20141231.xsd#DebtDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/DebtTables" xlink:href="bah-20141231.xsd#DebtTables" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/DocumentAndEntityInformation" xlink:href="bah-20141231.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/EarningsPerShare" xlink:href="bah-20141231.xsd#EarningsPerShare" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/EarningsPerShareDetails" xlink:href="bah-20141231.xsd#EarningsPerShareDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/EarningsPerShareTables" xlink:href="bah-20141231.xsd#EarningsPerShareTables" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/EmployeeBenefitPlans" xlink:href="bah-20141231.xsd#EmployeeBenefitPlans" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/EmployeeBenefitPlansDetails" xlink:href="bah-20141231.xsd#EmployeeBenefitPlansDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/EmployeeBenefitPlansTables" xlink:href="bah-20141231.xsd#EmployeeBenefitPlansTables" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/FairValueMeasurements" xlink:href="bah-20141231.xsd#FairValueMeasurements" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/FairValueMeasurementsDetails" xlink:href="bah-20141231.xsd#FairValueMeasurementsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/FairValueMeasurementsTables" xlink:href="bah-20141231.xsd#FairValueMeasurementsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/IncomeTaxes" xlink:href="bah-20141231.xsd#IncomeTaxes" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/IncomeTaxesDetails" xlink:href="bah-20141231.xsd#IncomeTaxesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/OtherLongTermLiabilities" xlink:href="bah-20141231.xsd#OtherLongTermLiabilities" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/OtherLongTermLiabilitiesDetails" xlink:href="bah-20141231.xsd#OtherLongTermLiabilitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/OtherLongTermLiabilitiesTables" xlink:href="bah-20141231.xsd#OtherLongTermLiabilitiesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/RelatedPartyTransactions" xlink:href="bah-20141231.xsd#RelatedPartyTransactions" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/RelatedPartyTransactionsDetails" xlink:href="bah-20141231.xsd#RelatedPartyTransactionsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/StockBasedCompensation" xlink:href="bah-20141231.xsd#StockBasedCompensation" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/StockBasedCompensationRecordedAndUnrecordedStockBasedCompensationLiabilityDetails" xlink:href="bah-20141231.xsd#StockBasedCompensationRecordedAndUnrecordedStockBasedCompensationLiabilityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/StockBasedCompensationStockBasedCompensationExpenseDetails" xlink:href="bah-20141231.xsd#StockBasedCompensationStockBasedCompensationExpenseDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/StockBasedCompensationStockPlansDetails" xlink:href="bah-20141231.xsd#StockBasedCompensationStockPlansDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/StockBasedCompensationTables" xlink:href="bah-20141231.xsd#StockBasedCompensationTables" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/StockBasedCompensationUnrecognizedCompensationDetails" xlink:href="bah-20141231.xsd#StockBasedCompensationUnrecognizedCompensationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/StockholdersEquity" xlink:href="bah-20141231.xsd#StockholdersEquity" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/StockholdersEquityCommonStockSharesActivityDetails" xlink:href="bah-20141231.xsd#StockholdersEquityCommonStockSharesActivityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/StockholdersEquityEmployeeStockPurchasePlanDetails" xlink:href="bah-20141231.xsd#StockholdersEquityEmployeeStockPurchasePlanDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/StockholdersEquityTables" xlink:href="bah-20141231.xsd#StockholdersEquityTables" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/SubsequentEventsSubsequentEvents" xlink:href="bah-20141231.xsd#SubsequentEventsSubsequentEvents" xlink:type="simple" />
  <roleRef roleURI="http://www.boozallen.com/role/SubsequentEventsSubsequentEventsDetails" xlink:href="bah-20141231.xsd#SubsequentEventsSubsequentEventsDetails" xlink:type="simple" />
  <calculationLink xlink:role="http://www.boozallen.com/role/AccountsPayableAndOtherAccruedExpenses" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/AccountsPayableAndOtherAccruedExpensesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_771fda46-ad18-43f7-74a8-24b4258a1976" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccountsPayableTradeCurrent" xlink:label="loc_us-gaap_AccountsPayableTradeCurrent_3e363941-50d5-576d-93bf-bcf41fd83617" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_771fda46-ad18-43f7-74a8-24b4258a1976" xlink:to="loc_us-gaap_AccountsPayableTradeCurrent_3e363941-50d5-576d-93bf-bcf41fd83617" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_1d834322-984c-3ee2-a4a0-2dc90b007763" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_771fda46-ad18-43f7-74a8-24b4258a1976" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_1d834322-984c-3ee2-a4a0-2dc90b007763" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.boozallen.com/role/AccountsPayableAndOtherAccruedExpensesTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/AccountsReceivableNet" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/AccountsReceivableNetAccountReceivableNetTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/AccountsReceivableNetAcountsReceivableNetDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccountsReceivableNet" xlink:label="loc_us-gaap_AccountsReceivableNet_3524be21-eaec-4398-eb0d-fe71dbe67324" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_dc301a2a-78b3-2f7c-72b2-6d5ec18f9327" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNet_3524be21-eaec-4398-eb0d-fe71dbe67324" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_dc301a2a-78b3-2f7c-72b2-6d5ec18f9327" xlink:type="arc" />
    <loc xlink:href="bah-20141231.xsd#bah_CurrentAccountsReceivableBilled" xlink:label="loc_bah_CurrentAccountsReceivableBilled_131c55ec-375a-dd08-d044-a3105416e8f2" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_dc301a2a-78b3-2f7c-72b2-6d5ec18f9327" xlink:to="loc_bah_CurrentAccountsReceivableBilled_131c55ec-375a-dd08-d044-a3105416e8f2" xlink:type="arc" />
    <loc xlink:href="bah-20141231.xsd#bah_CurrentAccountsReceivableUnbilled" xlink:label="loc_bah_CurrentAccountsReceivableUnbilled_1263a45b-93c4-b409-592f-a310547b0837" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_dc301a2a-78b3-2f7c-72b2-6d5ec18f9327" xlink:to="loc_bah_CurrentAccountsReceivableUnbilled_1263a45b-93c4-b409-592f-a310547b0837" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_ace9b51c-560c-58ee-4ce8-09452a5d18e1" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_dc301a2a-78b3-2f7c-72b2-6d5ec18f9327" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_ace9b51c-560c-58ee-4ce8-09452a5d18e1" xlink:type="arc" />
    <loc xlink:href="bah-20141231.xsd#bah_NoncurrentAccountsReceivableUnbilled" xlink:label="loc_bah_NoncurrentAccountsReceivableUnbilled_e0d182ca-f466-ee67-7e8d-a3105471da5e" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNet_3524be21-eaec-4398-eb0d-fe71dbe67324" xlink:to="loc_bah_NoncurrentAccountsReceivableUnbilled_e0d182ca-f466-ee67-7e8d-a3105471da5e" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.boozallen.com/role/AccruedCompensationAndBenefits" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/AccruedCompensationAndBenefitsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_d69c5cc5-fc70-31a7-c2b1-924eb363b75b" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccruedBonusesCurrent" xlink:label="loc_us-gaap_AccruedBonusesCurrent_29af68cc-6888-0b4b-6815-9315c6b4cf56" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_d69c5cc5-fc70-31a7-c2b1-924eb363b75b" xlink:to="loc_us-gaap_AccruedBonusesCurrent_29af68cc-6888-0b4b-6815-9315c6b4cf56" xlink:type="arc" />
    <loc xlink:href="bah-20141231.xsd#bah_CapitalAccumulationPlansCurrentLiabilities" xlink:label="loc_bah_CapitalAccumulationPlansCurrentLiabilities_d0aaddf5-9b60-eaef-3b79-a3105472acd5" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_d69c5cc5-fc70-31a7-c2b1-924eb363b75b" xlink:to="loc_bah_CapitalAccumulationPlansCurrentLiabilities_d0aaddf5-9b60-eaef-3b79-a3105472acd5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccruedVacationCurrent" xlink:label="loc_us-gaap_AccruedVacationCurrent_bdcd332b-f0d7-ce85-2b10-1e75da60598f" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_d69c5cc5-fc70-31a7-c2b1-924eb363b75b" xlink:to="loc_us-gaap_AccruedVacationCurrent_bdcd332b-f0d7-ce85-2b10-1e75da60598f" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredCompensationShareBasedArrangementsLiabilityCurrent" xlink:label="loc_us-gaap_DeferredCompensationShareBasedArrangementsLiabilityCurrent_cdf1a4ed-1f93-fa91-ce2b-02eae756f7df" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_d69c5cc5-fc70-31a7-c2b1-924eb363b75b" xlink:to="loc_us-gaap_DeferredCompensationShareBasedArrangementsLiabilityCurrent_cdf1a4ed-1f93-fa91-ce2b-02eae756f7df" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherDeferredCompensationArrangementsLiabilityCurrent" xlink:label="loc_us-gaap_OtherDeferredCompensationArrangementsLiabilityCurrent_e1dbd5b9-ea8e-4ecd-50e3-24ad50f271cd" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_d69c5cc5-fc70-31a7-c2b1-924eb363b75b" xlink:to="loc_us-gaap_OtherDeferredCompensationArrangementsLiabilityCurrent_e1dbd5b9-ea8e-4ecd-50e3-24ad50f271cd" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherEmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherEmployeeRelatedLiabilitiesCurrent_ef658073-62c9-a865-692b-2bba1a300bc6" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_d69c5cc5-fc70-31a7-c2b1-924eb363b75b" xlink:to="loc_us-gaap_OtherEmployeeRelatedLiabilitiesCurrent_ef658073-62c9-a865-692b-2bba1a300bc6" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.boozallen.com/role/AccruedCompensationAndBenefitsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/AccumulatedOtherComprehensiveLoss" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/AccumulatedOtherComprehensiveLossDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_bb574b94-eefb-7c73-5059-cf76b1a5ebac" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_baa59891-ba43-0f36-6be4-948f47d0089c" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_bb574b94-eefb-7c73-5059-cf76b1a5ebac" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_baa59891-ba43-0f36-6be4-948f47d0089c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_0c1e0133-3adb-b126-f970-8f66cd75bd64" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_bb574b94-eefb-7c73-5059-cf76b1a5ebac" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_0c1e0133-3adb-b126-f970-8f66cd75bd64" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.boozallen.com/role/AccumulatedOtherComprehensiveLossReclassificationsOutOfAccumulatedOtherComprehensiveLossToNetIncomeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_26d32ed1-5af3-4218-f177-31c9b3d51d7f" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax_0c95280b-c1ee-827a-834c-e51f1a4716e4" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_26d32ed1-5af3-4218-f177-31c9b3d51d7f" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax_0c95280b-c1ee-827a-834c-e51f1a4716e4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_3a83e980-c99b-5657-79fd-300643b7fa11" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_26d32ed1-5af3-4218-f177-31c9b3d51d7f" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_3a83e980-c99b-5657-79fd-300643b7fa11" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.boozallen.com/role/AccumulatedOtherComprehensiveLossTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/BasisOfPresentation" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/BusinessOverview" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/BusinessOverviewBusinessOverviewDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/CommitmentsAndContingencies" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/CommitmentsAndContingenciesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/CommitmentsAndContingenciesLitigationDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/CondensedConsolidatedBalanceSheets" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_ae9fd5e7-8741-dfbd-241e-1460ec6c786e" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_16ce0436-3b82-55c5-d896-5cba4c9023bd" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ae9fd5e7-8741-dfbd-241e-1460ec6c786e" xlink:to="loc_us-gaap_Liabilities_16ce0436-3b82-55c5-d896-5cba4c9023bd" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_1477e02d-b6d8-3df6-e715-8364fedce6d9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_16ce0436-3b82-55c5-d896-5cba4c9023bd" xlink:to="loc_us-gaap_LiabilitiesCurrent_1477e02d-b6d8-3df6-e715-8364fedce6d9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_0601d697-1537-c3cb-caaf-11141ac92b39" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1477e02d-b6d8-3df6-e715-8364fedce6d9" xlink:to="loc_us-gaap_LongTermDebtCurrent_0601d697-1537-c3cb-caaf-11141ac92b39" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_771fda46-ad18-43f7-74a8-24b4258a1976" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1477e02d-b6d8-3df6-e715-8364fedce6d9" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_771fda46-ad18-43f7-74a8-24b4258a1976" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_d69c5cc5-fc70-31a7-c2b1-924eb363b75b" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1477e02d-b6d8-3df6-e715-8364fedce6d9" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_d69c5cc5-fc70-31a7-c2b1-924eb363b75b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_80fb613f-3ffa-40b4-21a0-ecd4148b8f5c" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1477e02d-b6d8-3df6-e715-8364fedce6d9" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_80fb613f-3ffa-40b4-21a0-ecd4148b8f5c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_89b83a57-ffbc-fc48-170d-f8b25d163e54" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_16ce0436-3b82-55c5-d896-5cba4c9023bd" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_89b83a57-ffbc-fc48-170d-f8b25d163e54" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_f7fce5cd-2d53-a8b3-a485-6d0f3635b8fe" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_16ce0436-3b82-55c5-d896-5cba4c9023bd" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_f7fce5cd-2d53-a8b3-a485-6d0f3635b8fe" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_a7bb915d-e645-20d7-7b2e-623731454f45" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ae9fd5e7-8741-dfbd-241e-1460ec6c786e" xlink:to="loc_us-gaap_CommitmentsAndContingencies_a7bb915d-e645-20d7-7b2e-623731454f45" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_26e56c7a-24ab-e869-809a-0509ccbe86d9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ae9fd5e7-8741-dfbd-241e-1460ec6c786e" xlink:to="loc_us-gaap_StockholdersEquity_26e56c7a-24ab-e869-809a-0509ccbe86d9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_719740e5-b138-f870-281f-ac4786e101c2" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_26e56c7a-24ab-e869-809a-0509ccbe86d9" xlink:to="loc_us-gaap_TreasuryStockValue_719740e5-b138-f870-281f-ac4786e101c2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_3c55800a-0ae8-71c7-e1d1-5e4859c50246" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_26e56c7a-24ab-e869-809a-0509ccbe86d9" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_3c55800a-0ae8-71c7-e1d1-5e4859c50246" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_440a13e9-e4dc-f397-4d0d-27daacd44483" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_26e56c7a-24ab-e869-809a-0509ccbe86d9" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_440a13e9-e4dc-f397-4d0d-27daacd44483" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_4d60b95b-a2a9-55da-7eaa-2ca718a58484" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_26e56c7a-24ab-e869-809a-0509ccbe86d9" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_4d60b95b-a2a9-55da-7eaa-2ca718a58484" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_ffd09989-75a8-4713-beb0-21bebb3561d6" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_26e56c7a-24ab-e869-809a-0509ccbe86d9" xlink:to="loc_us-gaap_CommonStockValue_ffd09989-75a8-4713-beb0-21bebb3561d6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_b517a4f1-4597-b094-2608-75af660328e1" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_67f49e84-05fd-4b0b-ae5a-e9913b97cea2" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_b517a4f1-4597-b094-2608-75af660328e1" xlink:to="loc_us-gaap_AssetsCurrent_67f49e84-05fd-4b0b-ae5a-e9913b97cea2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_999960f8-6702-f7e9-88df-fcb8021751b2" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_67f49e84-05fd-4b0b-ae5a-e9913b97cea2" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_999960f8-6702-f7e9-88df-fcb8021751b2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_dc301a2a-78b3-2f7c-72b2-6d5ec18f9327" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_67f49e84-05fd-4b0b-ae5a-e9913b97cea2" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_dc301a2a-78b3-2f7c-72b2-6d5ec18f9327" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_3227d5e9-cb9d-fda7-e599-c6fb89b5e07a" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_67f49e84-05fd-4b0b-ae5a-e9913b97cea2" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_3227d5e9-cb9d-fda7-e599-c6fb89b5e07a" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_a1eaafaf-055b-e423-85ef-4424fb2ef4e4" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_b517a4f1-4597-b094-2608-75af660328e1" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_a1eaafaf-055b-e423-85ef-4424fb2ef4e4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_32ecd7de-6410-d56f-5547-ab1b682ebbc0" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_b517a4f1-4597-b094-2608-75af660328e1" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_32ecd7de-6410-d56f-5547-ab1b682ebbc0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_d1288432-0516-3188-e96b-2bc623375a5a" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_b517a4f1-4597-b094-2608-75af660328e1" xlink:to="loc_us-gaap_Goodwill_d1288432-0516-3188-e96b-2bc623375a5a" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_4599c23a-11f0-4277-ea32-9886d26f8792" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_b517a4f1-4597-b094-2608-75af660328e1" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_4599c23a-11f0-4277-ea32-9886d26f8792" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.boozallen.com/role/CondensedConsolidatedBalanceSheetsParenthetical" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_46b895b2-8ff5-9e37-d4c3-5b75649cbcba" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_46b895b2-8ff5-9e37-d4c3-5b75649cbcba" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_faecc408-4bea-6e13-83bd-71b4c2ddf64c" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_NetIncomeLoss_faecc408-4bea-6e13-83bd-71b4c2ddf64c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_76f611bf-6cac-2837-6d7c-3028d488fc3b" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_76f611bf-6cac-2837-6d7c-3028d488fc3b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_aa7a0bc5-86c6-13a8-3676-9960bad8007f" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_ShareBasedCompensation_aa7a0bc5-86c6-13a8-3676-9960bad8007f" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_7af8c3cd-de8c-3d70-c017-7b54f4e9ba21" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_7af8c3cd-de8c-3d70-c017-7b54f4e9ba21" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_cad4dd20-f895-7d13-fef5-2f2bffdf14ac" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_cad4dd20-f895-7d13-fef5-2f2bffdf14ac" xlink:type="arc" />
    <loc xlink:href="bah-20141231.xsd#bah_LossesonDispositionofPropertyandIntangibleImpairment" xlink:label="loc_bah_LossesonDispositionofPropertyandIntangibleImpairment_4b52aa93-fa0f-38ab-08d4-a3105414c228" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_bah_LossesonDispositionofPropertyandIntangibleImpairment_4b52aa93-fa0f-38ab-08d4-a3105414c228" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_fc73bf45-b7cf-c894-bf3a-f56c9d39cbe4" xlink:type="locator" />
    <calculationArc order="7" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_fc73bf45-b7cf-c894-bf3a-f56c9d39cbe4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_07d730ea-b32b-956c-677e-cf5b73c388b0" xlink:type="locator" />
    <calculationArc order="8" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_07d730ea-b32b-956c-677e-cf5b73c388b0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_61010cf2-f381-68a2-d0b7-2785316c9e09" xlink:type="locator" />
    <calculationArc order="9" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_61010cf2-f381-68a2-d0b7-2785316c9e09" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_81d33709-3a03-d961-0ad3-fd439ce3c40d" xlink:type="locator" />
    <calculationArc order="10" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_81d33709-3a03-d961-0ad3-fd439ce3c40d" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_af8dcf28-5bbb-ce71-1ed2-41689425cc96" xlink:type="locator" />
    <calculationArc order="11" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_af8dcf28-5bbb-ce71-1ed2-41689425cc96" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInInterestPayableNet" xlink:label="loc_us-gaap_IncreaseDecreaseInInterestPayableNet_d5175856-556a-3810-60d3-c7fd8259946c" xlink:type="locator" />
    <calculationArc order="12" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_IncreaseDecreaseInInterestPayableNet_d5175856-556a-3810-60d3-c7fd8259946c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_1cad8493-0a39-874e-a6b0-6d35514a892c" xlink:type="locator" />
    <calculationArc order="13" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_1cad8493-0a39-874e-a6b0-6d35514a892c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_a785e250-46dd-9933-9ebc-e8177d277129" xlink:type="locator" />
    <calculationArc order="14" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b6b5c2f7-2ab7-a264-6d06-119dda52768c" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_a785e250-46dd-9933-9ebc-e8177d277129" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_fb013d5f-7e0c-1a40-5a42-42bd8c3a1d51" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_46b895b2-8ff5-9e37-d4c3-5b75649cbcba" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_fb013d5f-7e0c-1a40-5a42-42bd8c3a1d51" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_37181af6-e562-cefc-f2b6-8490ea2c3e04" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_fb013d5f-7e0c-1a40-5a42-42bd8c3a1d51" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_37181af6-e562-cefc-f2b6-8490ea2c3e04" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_d07148ef-7d32-9c78-2111-e77f98145cb0" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_fb013d5f-7e0c-1a40-5a42-42bd8c3a1d51" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_d07148ef-7d32-9c78-2111-e77f98145cb0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInDepositOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInDepositOtherAssets_30ffcf20-1617-617a-741b-3ff885e6d922" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_fb013d5f-7e0c-1a40-5a42-42bd8c3a1d51" xlink:to="loc_us-gaap_IncreaseDecreaseInDepositOtherAssets_30ffcf20-1617-617a-741b-3ff885e6d922" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6d7b73b6-0db7-23f7-377e-417fa8fc8e27" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_46b895b2-8ff5-9e37-d4c3-5b75649cbcba" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6d7b73b6-0db7-23f7-377e-417fa8fc8e27" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_bdec3780-88f3-c634-f85d-cb36bba63bd2" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6d7b73b6-0db7-23f7-377e-417fa8fc8e27" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_bdec3780-88f3-c634-f85d-cb36bba63bd2" xlink:type="arc" />
    <loc xlink:href="bah-20141231.xsd#bah_PaymentsofOrdinaryDividendsAndSpecialDividendsCommonStock" xlink:label="loc_bah_PaymentsofOrdinaryDividendsAndSpecialDividendsCommonStock_8F5FDC2D9FF9B947C1CC2C7F02038C4E" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6d7b73b6-0db7-23f7-377e-417fa8fc8e27" xlink:to="loc_bah_PaymentsofOrdinaryDividendsAndSpecialDividendsCommonStock_8F5FDC2D9FF9B947C1CC2C7F02038C4E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsOfCapitalDistribution" xlink:label="loc_us-gaap_PaymentsOfCapitalDistribution_76b40cbe-10f6-6e00-f302-ce65ef9c64e7" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6d7b73b6-0db7-23f7-377e-417fa8fc8e27" xlink:to="loc_us-gaap_PaymentsOfCapitalDistribution_76b40cbe-10f6-6e00-f302-ce65ef9c64e7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsOfFinancingCosts" xlink:label="loc_us-gaap_PaymentsOfFinancingCosts_3c7a308f-5ef2-3b09-d9dc-281b1a6339a4" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6d7b73b6-0db7-23f7-377e-417fa8fc8e27" xlink:to="loc_us-gaap_PaymentsOfFinancingCosts_3c7a308f-5ef2-3b09-d9dc-281b1a6339a4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RepaymentsOfDebt" xlink:label="loc_us-gaap_RepaymentsOfDebt_a09b8b17-dfd0-6f65-bc95-ce08e5c4af2c" xlink:type="locator" />
    <calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6d7b73b6-0db7-23f7-377e-417fa8fc8e27" xlink:to="loc_us-gaap_RepaymentsOfDebt_a09b8b17-dfd0-6f65-bc95-ce08e5c4af2c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_77fb0894-8e98-8acd-7d89-0f52e26449e8" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6d7b73b6-0db7-23f7-377e-417fa8fc8e27" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_77fb0894-8e98-8acd-7d89-0f52e26449e8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_9e5484cd-8eeb-f906-2a82-95e418e07947" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6d7b73b6-0db7-23f7-377e-417fa8fc8e27" xlink:to="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_9e5484cd-8eeb-f906-2a82-95e418e07947" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_29d765d3-9bf3-69a0-f67a-85487c765b79" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6d7b73b6-0db7-23f7-377e-417fa8fc8e27" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_29d765d3-9bf3-69a0-f67a-85487c765b79" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_b5a6c95e-5e73-5e4d-9c67-665fb27c338e" xlink:type="locator" />
    <calculationArc order="9" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_6d7b73b6-0db7-23f7-377e-417fa8fc8e27" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_b5a6c95e-5e73-5e4d-9c67-665fb27c338e" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.boozallen.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_375e0d17-4818-4239-a370-aada0b6ca8eb" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_faecc408-4bea-6e13-83bd-71b4c2ddf64c" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_375e0d17-4818-4239-a370-aada0b6ca8eb" xlink:to="loc_us-gaap_NetIncomeLoss_faecc408-4bea-6e13-83bd-71b4c2ddf64c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax_282c742e-74af-7502-a313-0705e757d5be" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_375e0d17-4818-4239-a370-aada0b6ca8eb" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax_282c742e-74af-7502-a313-0705e757d5be" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.boozallen.com/role/CondensedConsolidatedStatementsOfOperationsUnaudited" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_faecc408-4bea-6e13-83bd-71b4c2ddf64c" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_10afc0e9-1faa-0be3-fc32-15d128e46f3f" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_faecc408-4bea-6e13-83bd-71b4c2ddf64c" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_10afc0e9-1faa-0be3-fc32-15d128e46f3f" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_72b2c986-6e1a-bdde-cc72-888b0df562b9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_10afc0e9-1faa-0be3-fc32-15d128e46f3f" xlink:to="loc_us-gaap_OperatingIncomeLoss_72b2c986-6e1a-bdde-cc72-888b0df562b9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SalesRevenueServicesNet" xlink:label="loc_us-gaap_SalesRevenueServicesNet_8bcef5d0-be55-1817-9796-00fa51e44801" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_72b2c986-6e1a-bdde-cc72-888b0df562b9" xlink:to="loc_us-gaap_SalesRevenueServicesNet_8bcef5d0-be55-1817-9796-00fa51e44801" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaap_CostsAndExpenses_f5487d97-18cc-be7a-d1d1-ec68e0b0a9f3" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_72b2c986-6e1a-bdde-cc72-888b0df562b9" xlink:to="loc_us-gaap_CostsAndExpenses_f5487d97-18cc-be7a-d1d1-ec68e0b0a9f3" xlink:type="arc" />
    <loc xlink:href="bah-20141231.xsd#bah_CostOfServicesDirectLaborEmployeeBenefitsAndOverhead" xlink:label="loc_bah_CostOfServicesDirectLaborEmployeeBenefitsAndOverhead_8ff374ba-1b64-6ed1-3a7d-a310548143e6" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_f5487d97-18cc-be7a-d1d1-ec68e0b0a9f3" xlink:to="loc_bah_CostOfServicesDirectLaborEmployeeBenefitsAndOverhead_8ff374ba-1b64-6ed1-3a7d-a310548143e6" xlink:type="arc" />
    <loc xlink:href="bah-20141231.xsd#bah_BillableExpenses" xlink:label="loc_bah_BillableExpenses_c0f2e9dc-8dde-ad37-df65-a310542706cc" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_f5487d97-18cc-be7a-d1d1-ec68e0b0a9f3" xlink:to="loc_bah_BillableExpenses_c0f2e9dc-8dde-ad37-df65-a310542706cc" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_7c6d12de-ee49-8fea-ba36-2f44ccb8dae4" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_f5487d97-18cc-be7a-d1d1-ec68e0b0a9f3" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_7c6d12de-ee49-8fea-ba36-2f44ccb8dae4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_76f611bf-6cac-2837-6d7c-3028d488fc3b" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_f5487d97-18cc-be7a-d1d1-ec68e0b0a9f3" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_76f611bf-6cac-2837-6d7c-3028d488fc3b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_cefe1779-647b-11ee-28a9-2740d86c056b" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_10afc0e9-1faa-0be3-fc32-15d128e46f3f" xlink:to="loc_us-gaap_InterestExpense_cefe1779-647b-11ee-28a9-2740d86c056b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_27b74f5e-bc16-8d0b-2d8b-f8fb77af5bf6" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_10afc0e9-1faa-0be3-fc32-15d128e46f3f" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_27b74f5e-bc16-8d0b-2d8b-f8fb77af5bf6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_3a83e980-c99b-5657-79fd-300643b7fa11" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_faecc408-4bea-6e13-83bd-71b4c2ddf64c" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_3a83e980-c99b-5657-79fd-300643b7fa11" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.boozallen.com/role/Debt" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/DebtDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_8aeb26df-09df-f3e3-fe25-1f144575031f" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_0601d697-1537-c3cb-caaf-11141ac92b39" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_8aeb26df-09df-f3e3-fe25-1f144575031f" xlink:to="loc_us-gaap_LongTermDebtCurrent_0601d697-1537-c3cb-caaf-11141ac92b39" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_89b83a57-ffbc-fc48-170d-f8b25d163e54" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_8aeb26df-09df-f3e3-fe25-1f144575031f" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_89b83a57-ffbc-fc48-170d-f8b25d163e54" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.boozallen.com/role/DebtTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/DocumentAndEntityInformation" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/EarningsPerShare" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/EarningsPerShareDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_72491ff2-4ebf-cd12-4650-465a32156ef1" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_0f40104d-c144-6dd5-056b-98f95661c23e" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_72491ff2-4ebf-cd12-4650-465a32156ef1" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_0f40104d-c144-6dd5-056b-98f95661c23e" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_dddad97c-8f42-a8ee-eba7-7c0400dcdc14" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_72491ff2-4ebf-cd12-4650-465a32156ef1" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_dddad97c-8f42-a8ee-eba7-7c0400dcdc14" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.boozallen.com/role/EarningsPerShareTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/EmployeeBenefitPlans" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/EmployeeBenefitPlansDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fee9d8ff-fd26-12ad-4d95-326cf1a683bb" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_b2ca541c-d86d-5c3b-6188-6379e9fcf913" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fee9d8ff-fd26-12ad-4d95-326cf1a683bb" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_b2ca541c-d86d-5c3b-6188-6379e9fcf913" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_47d033d5-90ba-de1b-01bf-8c87d27542f6" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fee9d8ff-fd26-12ad-4d95-326cf1a683bb" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_47d033d5-90ba-de1b-01bf-8c87d27542f6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_58b26910-663f-3f5b-4bf7-6b95898bba2b" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fee9d8ff-fd26-12ad-4d95-326cf1a683bb" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_58b26910-663f-3f5b-4bf7-6b95898bba2b" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.boozallen.com/role/EmployeeBenefitPlansTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/FairValueMeasurements" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/FairValueMeasurementsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/FairValueMeasurementsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/IncomeTaxes" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/IncomeTaxesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/OtherLongTermLiabilities" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/OtherLongTermLiabilitiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_f7fce5cd-2d53-a8b3-a485-6d0f3635b8fe" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilityForUncertainTaxPositionsNoncurrent" xlink:label="loc_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent_8e51d946-41a4-9c20-7492-a8322690bab2" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_f7fce5cd-2d53-a8b3-a485-6d0f3635b8fe" xlink:to="loc_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent_8e51d946-41a4-9c20-7492-a8322690bab2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredRentCreditNoncurrent" xlink:label="loc_us-gaap_DeferredRentCreditNoncurrent_55393c1a-fc24-e579-ffe3-04ec8ee0f328" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_f7fce5cd-2d53-a8b3-a485-6d0f3635b8fe" xlink:to="loc_us-gaap_DeferredRentCreditNoncurrent_55393c1a-fc24-e579-ffe3-04ec8ee0f328" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent" xlink:label="loc_us-gaap_DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent_eaa51177-6356-ab73-d8f3-fda11513a709" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_f7fce5cd-2d53-a8b3-a485-6d0f3635b8fe" xlink:to="loc_us-gaap_DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent_eaa51177-6356-ab73-d8f3-fda11513a709" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesOfBusinessTransferredUnderContractualArrangementNoncurrent" xlink:label="loc_us-gaap_LiabilitiesOfBusinessTransferredUnderContractualArrangementNoncurrent_02cb1ac8-3a31-b688-7bde-fbb909b674fb" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_f7fce5cd-2d53-a8b3-a485-6d0f3635b8fe" xlink:to="loc_us-gaap_LiabilitiesOfBusinessTransferredUnderContractualArrangementNoncurrent_02cb1ac8-3a31-b688-7bde-fbb909b674fb" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_fd7ec8f3-ea42-3556-c2ff-1e0017d5624d" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_f7fce5cd-2d53-a8b3-a485-6d0f3635b8fe" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_fd7ec8f3-ea42-3556-c2ff-1e0017d5624d" xlink:type="arc" />
    <loc xlink:href="bah-20141231.xsd#bah_OtherLongTermLiabilities" xlink:label="loc_bah_OtherLongTermLiabilities_1e3cb7ff-db83-49a1-21e4-a310549710dd" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_f7fce5cd-2d53-a8b3-a485-6d0f3635b8fe" xlink:to="loc_bah_OtherLongTermLiabilities_1e3cb7ff-db83-49a1-21e4-a310549710dd" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.boozallen.com/role/OtherLongTermLiabilitiesTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/RelatedPartyTransactions" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/RelatedPartyTransactionsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/StockBasedCompensation" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/StockBasedCompensationRecordedAndUnrecordedStockBasedCompensationLiabilityDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredCompensationSharebasedArrangementsLiabilityCurrentAndNoncurrent" xlink:label="loc_us-gaap_DeferredCompensationSharebasedArrangementsLiabilityCurrentAndNoncurrent_11a2a07a-68e1-12b8-a7bf-6471e6583693" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent" xlink:label="loc_us-gaap_DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent_eaa51177-6356-ab73-d8f3-fda11513a709" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredCompensationSharebasedArrangementsLiabilityCurrentAndNoncurrent_11a2a07a-68e1-12b8-a7bf-6471e6583693" xlink:to="loc_us-gaap_DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent_eaa51177-6356-ab73-d8f3-fda11513a709" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredCompensationShareBasedArrangementsLiabilityCurrent" xlink:label="loc_us-gaap_DeferredCompensationShareBasedArrangementsLiabilityCurrent_cdf1a4ed-1f93-fa91-ce2b-02eae756f7df" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredCompensationSharebasedArrangementsLiabilityCurrentAndNoncurrent_11a2a07a-68e1-12b8-a7bf-6471e6583693" xlink:to="loc_us-gaap_DeferredCompensationShareBasedArrangementsLiabilityCurrent_cdf1a4ed-1f93-fa91-ce2b-02eae756f7df" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.boozallen.com/role/StockBasedCompensationStockBasedCompensationExpenseDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/StockBasedCompensationStockPlansDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/StockBasedCompensationTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/StockBasedCompensationUnrecognizedCompensationDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/StockholdersEquity" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/StockholdersEquityCommonStockSharesActivityDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/StockholdersEquityEmployeeStockPurchasePlanDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/StockholdersEquityTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/SubsequentEventsSubsequentEvents" xlink:type="extended" />
  <calculationLink xlink:role="http://www.boozallen.com/role/SubsequentEventsSubsequentEventsDetails" xlink:type="extended" />
</linkbase>
